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What is the percentage of female healthcare providers in rural India? | CREATE TABLE healthcare_providers (id INT,name VARCHAR(50),gender VARCHAR(10),location VARCHAR(50)); INSERT INTO healthcare_providers (id,name,gender,location) VALUES (1,'Dr. Smith','Female','Rural India'); INSERT INTO healthcare_providers (id,name,gender,location) VALUES (2,'Dr. Johnson','Male','Urban New York'); | SELECT ROUND(100.0 * COUNT(*) / (SELECT COUNT(*) FROM healthcare_providers WHERE location = 'Rural India'), 2) FROM healthcare_providers WHERE location = 'Rural India' AND gender = 'Female'; |
Which states have the highest and lowest vaccination rates for measles? | CREATE TABLE vaccinations (id INT,state VARCHAR(2),vaccine VARCHAR(50),rate DECIMAL(5,2)); INSERT INTO vaccinations (id,state,vaccine,rate) VALUES (1,'NY','Measles',0.95),(2,'CA','Measles',0.96),(3,'TX','Measles',0.92),(4,'FL','Measles',0.94),(5,'AK',0.98),(6,'MS',0.91); | SELECT state, rate FROM vaccinations WHERE vaccine = 'Measles' ORDER BY rate DESC, state ASC LIMIT 1; SELECT state, rate FROM vaccinations WHERE vaccine = 'Measles' ORDER BY rate ASC, state ASC LIMIT 1; |
Update the price of jazz songs released before 2000 to $1.99 | CREATE TABLE Songs (song_id INT,title TEXT,genre TEXT,release_date DATE,price DECIMAL(5,2)); | UPDATE Songs SET price = 1.99 WHERE genre = 'jazz' AND release_date < '2000-01-01'; |
What is the percentage of cruelty-free beauty products in the overall beauty product sales in Italy? | CREATE TABLE beauty_products_italy (product_cruelty_free BOOLEAN,sales_quantity INT); INSERT INTO beauty_products_italy (product_cruelty_free,sales_quantity) VALUES (TRUE,800),(FALSE,1200); | SELECT (SUM(CASE WHEN product_cruelty_free = TRUE THEN sales_quantity ELSE 0 END) / SUM(sales_quantity)) * 100 AS cruelty_free_percentage FROM beauty_products_italy; |
Find the top 2 countries with the most program impact in 2022? | CREATE TABLE program_impact (program_id INT,country VARCHAR(50),impact INT); INSERT INTO program_impact VALUES (1,'India',100),(2,'Brazil',150),(3,'USA',200),(4,'India',120),(5,'Brazil',180); | SELECT country, SUM(impact) as total_impact FROM program_impact WHERE program_id IN (SELECT program_id FROM program_impact WHERE program_id IN (SELECT program_id FROM program_impact WHERE year = 2022 GROUP BY country HAVING COUNT(*) > 1) GROUP BY country HAVING COUNT(*) > 1) GROUP BY country ORDER BY total_impact DESC ... |
What is the total CO2 emission from coal mining operations in the USA and China? | CREATE TABLE mining_operations (id INT,location VARCHAR(50),operation_type VARCHAR(50),monthly_co2_emission INT); INSERT INTO mining_operations (id,location,operation_type,monthly_co2_emission) VALUES (1,'USA','Coal',12000),(2,'China','Coal',18000),(3,'Canada','Gold',8000); | SELECT SUM(CASE WHEN operation_type = 'Coal' AND location IN ('USA', 'China') THEN monthly_co2_emission ELSE 0 END) as total_coal_emission FROM mining_operations; |
Virtual tourism revenue by quarter for each country? | CREATE TABLE virtual_tourism_extended_2 (country TEXT,revenue FLOAT,date DATE); INSERT INTO virtual_tourism_extended_2 (country,revenue,date) VALUES ('Spain',25000.0,'2022-03-01'),('Spain',28000.0,'2022-04-01'),('Italy',18000.0,'2022-03-01'),('Italy',20000.0,'2022-04-01'),('Germany',30000.0,'2022-02-01'),('Germany',350... | SELECT country, DATE_TRUNC('quarter', date) AS quarter, SUM(revenue) FROM virtual_tourism_extended_2 GROUP BY country, quarter; |
List the top 3 countries with the most tourists in 2025 based on current trends. | CREATE TABLE future_trends (country VARCHAR(50),year INT,projected_visitors INT); INSERT INTO future_trends (country,year,projected_visitors) VALUES ('France',2025,25000000),('Spain',2025,20000000),('Italy',2025,18000000),('Japan',2025,16000000),('Germany',2025,15000000); | SELECT country, projected_visitors FROM future_trends WHERE year = 2025 ORDER BY projected_visitors DESC LIMIT 3; |
What is the average loan amount for socially responsible lenders in Asia, grouped by year? | CREATE TABLE Loans (Id INT,Lender VARCHAR(20),Location VARCHAR(20),LoanType VARCHAR(20),LoanAmount DECIMAL(10,2),LoanYear INT); INSERT INTO Loans (Id,Lender,Location,LoanType,LoanAmount,LoanYear) VALUES (1,'LenderA','Asia','Socially Responsible',500.00,2020),(2,'LenderB','Asia','Socially Responsible',700.00,2020),(3,'L... | SELECT AVG(LoanAmount) AS Avg_Loan_Amount, LoanYear FROM Loans WHERE LoanType = 'Socially Responsible' AND Location = 'Asia' GROUP BY LoanYear; |
What is the number of smart city initiatives and their average carbon offsets by location? | CREATE TABLE smart_city_initiatives (initiative_id INT,initiative_name VARCHAR(50),location VARCHAR(50),carbon_offsets FLOAT); INSERT INTO smart_city_initiatives (initiative_id,initiative_name,location,carbon_offsets) VALUES (1,'Smart Grid 1','CityC',1000.0),(2,'Smart Lighting 1','CityD',500.0),(3,'Smart Waste Manageme... | SELECT location, COUNT(*), AVG(carbon_offsets) FROM smart_city_initiatives GROUP BY location; |
Delete records of cars with no fuel type specified in the cars table. | cars (id,make,model,year,fuel_type) | DELETE FROM cars WHERE cars.fuel_type IS NULL; |
What is the average production of Europium per country in 2018? | CREATE TABLE production (country VARCHAR(255),element VARCHAR(255),quantity INT,year INT); INSERT INTO production (country,element,quantity,year) VALUES ('China','Europium',2000,2018),('China','Europium',2500,2018),('United States','Europium',1000,2018),('United States','Europium',1200,2018); | SELECT country, AVG(quantity) as avg_production FROM production WHERE element = 'Europium' AND year = 2018 GROUP BY country; |
What is the average CO2 offset for each carbon offset initiative in the carbon_offset_initiatives table? | CREATE TABLE IF NOT EXISTS carbon_offset_initiatives (initiative_id INT,initiative_name VARCHAR(255),co2_offset FLOAT,PRIMARY KEY (initiative_id)); INSERT INTO carbon_offset_initiatives (initiative_id,initiative_name,co2_offset) VALUES (1,'Tree Planting',50),(2,'Solar Power Installation',100),(3,'Wind Farm Development'... | SELECT AVG(co2_offset) FROM carbon_offset_initiatives; |
Which region had the highest sales in Q3 2022? | CREATE TABLE sales_by_region (region VARCHAR(20),quarter VARCHAR(2),year INT,sales_amount FLOAT); INSERT INTO sales_by_region (region,quarter,year,sales_amount) VALUES ('Europe','Q3',2022,90000.0),('Asia','Q3',2022,85000.0),('Africa','Q3',2022,95000.0); | SELECT region, MAX(sales_amount) FROM sales_by_region WHERE quarter = 'Q3' AND year = 2022 GROUP BY region; |
What is the total amount of dysprosium exported to Africa in the past 3 years by companies with a revenue greater than $1 billion? | CREATE TABLE export_info (id INT,element TEXT,location TEXT,company TEXT,date DATE,quantity INT,revenue INT); INSERT INTO export_info (id,element,location,company,date,quantity,revenue) VALUES (1,'dysprosium','Africa','Company A','2019-01-01',500,2000000000),(2,'dysprosium','Africa','Company B','2020-01-01',600,3000000... | SELECT SUM(quantity) FROM export_info WHERE element = 'dysprosium' AND location = 'Africa' AND company IN (SELECT company FROM export_info WHERE revenue > 1000000000) AND extract(year from date) >= 2019; |
List the top 3 regions with the highest mental health parity index scores, along with their corresponding scores. | CREATE TABLE MentalHealthParity (Region VARCHAR(255),ParityIndexScore INT); INSERT INTO MentalHealthParity (Region,ParityIndexScore) VALUES ('North',80),('South',85),('East',70),('West',90); | SELECT Region, ParityIndexScore FROM (SELECT Region, ParityIndexScore, ROW_NUMBER() OVER (ORDER BY ParityIndexScore DESC) as Rank FROM MentalHealthParity) as RankedData WHERE Rank <= 3; |
List the auto show events happening in Japan in 2023. | CREATE TABLE AutoShows (name VARCHAR(20),country VARCHAR(10),year INT); INSERT INTO AutoShows (name,country,year) VALUES ('Tokyo Auto Salon','Japan',2023); | SELECT name FROM AutoShows WHERE country = 'Japan' AND year = 2023; |
What is the maximum contract value awarded to a defense contractor in Texas in 2022? | CREATE TABLE ContractValues (company TEXT,contract_date DATE,contract_value FLOAT); INSERT INTO ContractValues (company,contract_date,contract_value) VALUES ('Contractor D','2022-03-01',3000000),('Contractor E','2022-07-15',4000000),('Contractor F','2022-11-30',2500000); | SELECT MAX(contract_value) FROM ContractValues WHERE company LIKE '%defense%' AND contract_date BETWEEN '2022-01-01' AND '2022-12-31' AND state = 'Texas'; |
How many female and male beneficiaries were served by each program in 2020? | CREATE TABLE beneficiaries (program VARCHAR(10),gender VARCHAR(6),date DATE); INSERT INTO beneficiaries (program,gender,date) VALUES ('ProgA','Female','2020-01-01'),('ProgA','Male','2020-01-05'),('ProgB','Female','2020-03-02'); | SELECT program, gender, COUNT(*) FROM beneficiaries WHERE YEAR(date) = 2020 GROUP BY program, gender; |
How many performances were held in Asia or Oceania between 2010 and 2020? | CREATE TABLE Performances (id INT,name TEXT,year INT,location TEXT,type TEXT); INSERT INTO Performances (id,name,year,location,type) VALUES (1,'Performance1',2015,'Japan','dance'),(2,'Performance2',2005,'USA','theater'),(3,'Performance3',2018,'Australia','music'); | SELECT COUNT(*) FROM Performances WHERE location IN ('Asia', 'Oceania') AND year BETWEEN 2010 AND 2020; |
What is the total number of citizen feedback records received for the 'Housing' service? | CREATE TABLE Feedback (Date DATE,Region VARCHAR(50),Service VARCHAR(50),Comment TEXT); INSERT INTO Feedback (Date,Region,Service,Comment) VALUES ('2021-01-01','Central','Healthcare','Great service'),('2021-01-02','Central','Healthcare','Poor service'),('2021-02-01','North','Education','Excellent education'),('2022-03-0... | SELECT COUNT(*) FROM Feedback WHERE Service = 'Housing'; |
What is the total defense spending for each continent? | CREATE TABLE defense_spending (country VARCHAR(50),continent VARCHAR(50),amount DECIMAL(10,2)); INSERT INTO defense_spending (country,continent,amount) VALUES ('USA','North America',73200000000),('China','Asia',26100000000),('Russia','Europe',61000000000),('Japan','Asia',50500000000),('India','Asia',57000000000); | SELECT continent, SUM(amount) as total_defense_spending FROM defense_spending GROUP BY continent; |
Get the number of new followers for each user in the last month, pivoted by day of the week in the "users" table | CREATE TABLE users (id INT,username VARCHAR(255),followers INT,follow_date DATE); | SELECT username, SUM(CASE WHEN DATE_FORMAT(follow_date, '%W') = 'Monday' THEN 1 ELSE 0 END) AS Monday, SUM(CASE WHEN DATE_FORMAT(follow_date, '%W') = 'Tuesday' THEN 1 ELSE 0 END) AS Tuesday, SUM(CASE WHEN DATE_FORMAT(follow_date, '%W') = 'Wednesday' THEN 1 ELSE 0 END) AS Wednesday, SUM(CASE WHEN DATE_FORMAT(follow_date... |
What is the average number of humanitarian assistance missions carried out by each organization in the last 2 years? | CREATE TABLE Humanitarian_Assistance_Missions (id INT,organization VARCHAR(50),year INT,missions INT); | SELECT organization, AVG(missions) as avg_missions FROM Humanitarian_Assistance_Missions WHERE year BETWEEN (YEAR(CURRENT_DATE) - 2) AND YEAR(CURRENT_DATE) GROUP BY organization; |
How many cases were opened for each month in the year 2020? | CREATE TABLE Cases (id INT,case_number INT,opened_date DATE); | SELECT MONTH(opened_date) AS Month, COUNT(*) AS NumberOfCases FROM Cases WHERE YEAR(opened_date) = 2020 GROUP BY Month; |
Show the details of volunteers who have donated more than $1000? | CREATE TABLE VolunteerDonors (VolunteerID INT,VolunteerName TEXT,DonationAmount DECIMAL(10,2),DonationDate DATE); INSERT INTO VolunteerDonors (VolunteerID,VolunteerName,DonationAmount,DonationDate) VALUES (1,'Ravi Patel',1200.00,'2022-06-01'); | SELECT * FROM VolunteerDonors WHERE DonationAmount > 1000; |
Display the view JobTitlesDepartments | CREATE VIEW JobTitlesDepartments AS SELECT JobTitle,Department FROM TalentAcquisition; | SELECT * FROM JobTitlesDepartments; |
List the number of unique industries and total funding for companies founded by people of color before 2010 | CREATE TABLE diversity (id INT,company_id INT,founder_race VARCHAR(255)); INSERT INTO diversity SELECT 1,1,'Hispanic'; INSERT INTO diversity SELECT 2,2,'Asian'; INSERT INTO diversity SELECT 3,3,'Black'; INSERT INTO companies (id,industry,founding_date) SELECT 2,'Finance','2005-01-01'; INSERT INTO companies (id,industry... | SELECT diversity.founder_race, COUNT(DISTINCT companies.industry) AS unique_industries, SUM(funding.amount) AS total_funding FROM diversity JOIN companies ON diversity.company_id = companies.id JOIN funding ON companies.id = funding.company_id WHERE companies.founding_date < '2010-01-01' AND diversity.founder_race IN (... |
Find the number of unique IP addresses associated with malware activity in the 'South America' region in the past month. | CREATE TABLE malware_activity (id INT,ip_address VARCHAR(15),malware_type VARCHAR(255),region VARCHAR(100),last_seen DATE); INSERT INTO malware_activity (id,ip_address,malware_type,region,last_seen) VALUES (1,'192.168.1.1','ransomware','Asia-Pacific','2021-11-01'),(2,'10.0.0.1','virut','North America','2021-12-05'),(3,... | SELECT COUNT(DISTINCT ip_address) FROM malware_activity WHERE region = 'South America' AND last_seen >= DATE_SUB(CURRENT_DATE, INTERVAL 1 MONTH); |
Which brands have received the most cruelty-free certifications? | CREATE TABLE Brands (Brand_ID INT PRIMARY KEY,Brand_Name TEXT); CREATE TABLE Certifications (Certification_ID INT PRIMARY KEY,Certification_Name TEXT,Brand_ID INT); INSERT INTO Brands (Brand_ID,Brand_Name) VALUES (1,'Ethical Beauty'),(2,'Pure Cosmetics'),(3,'Green Earth'),(4,'Eco Living'),(5,'Sustainable Solutions'); I... | SELECT b.Brand_Name, COUNT(c.Certification_ID) AS Cruelty_Free_Certifications_Count FROM Brands b JOIN Certifications c ON b.Brand_ID = c.Brand_ID GROUP BY b.Brand_ID; |
What is the total revenue generated by tourism in Bali in 2020? | CREATE TABLE bali_tourism (id INT,year INT,revenue INT); INSERT INTO bali_tourism (id,year,revenue) VALUES (1,2019,10000000),(2,2020,5000000); | SELECT SUM(revenue) FROM bali_tourism WHERE year = 2020; |
List the companies that have not received any funding. | CREATE TABLE companies (id INT,name TEXT); CREATE TABLE fundings (id INT,company_id INT,round TEXT); INSERT INTO companies (id,name) VALUES (1,'Acme Inc'),(2,'Zebra Corp'),(3,'Dino Tech'),(4,'Elephant Inc'); INSERT INTO fundings (id,company_id,round) VALUES (1,1,'Seed'),(2,1,'Series A'),(3,2,'Seed'),(4,2,'Series A'); | SELECT companies.name FROM companies LEFT JOIN fundings ON companies.id = fundings.company_id WHERE fundings.id IS NULL; |
What is the average monthly donation per donor category? | CREATE TABLE monthly_donations_category (id INT,donor_category VARCHAR(50),donor_name VARCHAR(50),donation_amount DECIMAL(10,2),donation_date DATE); INSERT INTO monthly_donations_category (id,donor_category,donor_name,donation_amount,donation_date) VALUES (1,'Regular','John Doe',50,'2022-01-01'),(2,'One-time','Jane Smi... | SELECT donor_category, AVG(donation_amount) as avg_monthly_donation FROM monthly_donations_category GROUP BY donor_category; |
What is the average revenue per day for the month of January for a given year? | CREATE TABLE Sales (sale_id INT PRIMARY KEY,sale_date DATE,item_sold VARCHAR(255),quantity INT,sale_price DECIMAL(5,2)); | SELECT AVG(SUM(quantity * sale_price)) FROM Sales WHERE sale_date BETWEEN '2022-01-01' AND '2022-01-31'; |
Insert a new row with id '4', name 'Dana', project 'protein folding' into the 'researchers' table. | CREATE TABLE researchers (id INT,name VARCHAR(50),project VARCHAR(50)); INSERT INTO researchers (id,name,project) VALUES (1,'Alice','gene sequencing'),(2,'Bob','biosensor development'),(3,'Charlie','gene sequencing'); | INSERT INTO researchers (id, name, project) VALUES (4, 'Dana', 'protein folding'); |
List all vessels inspected in 'Africa' during 2021 and 2022. | CREATE TABLE Vessels_4 (id INT,name VARCHAR(255),region VARCHAR(255),year INT); INSERT INTO Vessels_4 (id,name,region,year) VALUES (1,'African Wave','Africa',2021); INSERT INTO Vessels_4 (id,name,region,year) VALUES (2,'Ocean Splash','Africa',2022); INSERT INTO Vessels_4 (id,name,region,year) VALUES (3,'Marine Journey'... | SELECT name FROM Vessels_4 WHERE region = 'Africa' AND year IN (2021, 2022); |
Insert new records of art programs for underrepresented communities, each with a budget of 10000 and a public funding source. | CREATE TABLE programs (name VARCHAR(25),budget INT,funding_source VARCHAR(15)); | INSERT INTO programs (name, budget, funding_source) VALUES ('Art for Indigenous Youth', 10000, 'public'), ('Art for Disability Community', 10000, 'public'); |
What is the percentage change in the number of language preservation programs offered in Asia between 2015 and 2020? | CREATE TABLE asia_lang_progs (id INT,org_name TEXT,year INT,num_progs INT); INSERT INTO asia_lang_progs (id,org_name,year,num_progs) VALUES (1,'Shanghai Language Institute',2015,100),(2,'Tokyo Language School',2016,120),(3,'Beijing Language University',2017,150),(4,'New Delhi Language Academy',2018,180),(5,'Seoul Langu... | SELECT (SUM(CASE WHEN year = 2020 THEN num_progs ELSE 0 END) - SUM(CASE WHEN year = 2015 THEN num_progs ELSE 0 END)) * 100.0 / SUM(CASE WHEN year = 2015 THEN num_progs ELSE 0 END) as pct_change FROM asia_lang_progs WHERE org_name IN ('Shanghai Language Institute', 'Tokyo Language School', 'Beijing Language University',... |
Find the number of unique users who have streamed a song on each day in the US. | CREATE TABLE users (user_id INT,user_country VARCHAR(255)); CREATE TABLE streams (stream_id INT,song_id INT,user_id INT,stream_date DATE); | SELECT stream_date, COUNT(DISTINCT user_id) as unique_users FROM streams st JOIN users u ON st.user_id = u.user_id WHERE u.user_country = 'United States' GROUP BY stream_date; |
List the number of carbon capture and storage facilities in the United States, Germany, and Saudi Arabia, as of 2020. | CREATE TABLE carbon_storage (country VARCHAR(50),operational BOOLEAN,year INT); INSERT INTO carbon_storage (country,operational,year) VALUES ('United States',true,2020),('Germany',true,2020),('Saudi Arabia',true,2020),('Norway',false,2020); | SELECT country, COUNT(*) FROM carbon_storage WHERE country IN ('United States', 'Germany', 'Saudi Arabia') AND operational = true GROUP BY country; |
What is the highest level of education achieved by immigrants in Germany? | CREATE TABLE immigrants (id INT,name VARCHAR(100),education VARCHAR(50)); INSERT INTO immigrants (id,name,education) VALUES (1,'Immigrant 1','High School'); INSERT INTO immigrants (id,name,education) VALUES (2,'Immigrant 2','Bachelor’s Degree'); | SELECT education FROM (SELECT education, ROW_NUMBER() OVER (ORDER BY education DESC) as row_num FROM immigrants) immigrants_ranked WHERE row_num = 1; |
Show environmental impact score for site 'Z' and 'W'. | CREATE SCHEMA if not exists mining;CREATE TABLE mining.impact (id INT,site STRING,ias_score INT);INSERT INTO mining.impact (id,site,ias_score) VALUES (1,'site Z',65),(2,'site W',75),(3,'site X',85); | SELECT ias_score FROM mining.impact WHERE site IN ('site Z', 'site W'); |
What is the maximum loan amount for socially responsible lending in the United States? | CREATE TABLE socially_responsible_lending (id INT,loan_amount FLOAT,country VARCHAR(255)); INSERT INTO socially_responsible_lending (id,loan_amount,country) VALUES (1,5000,'USA'),(2,7000,'USA'),(3,8000,'USA'); | SELECT MAX(loan_amount) FROM socially_responsible_lending WHERE country = 'USA'; |
What was the R&D expenditure for each drug in Q1 2023, pivoted by division? | CREATE TABLE r_d_expenditure (drug VARCHAR(20),division VARCHAR(20),date DATE,expenditure NUMERIC(12,2)); INSERT INTO r_d_expenditure (drug,division,date,expenditure) VALUES ('DrugA','Oncology','2023-01-01',150000.00),('DrugB','Cardiology','2023-01-01',120000.00),('DrugA','Neurology','2023-01-01',90000.00),('DrugB','On... | SELECT drug, SUM(CASE WHEN division = 'Oncology' THEN expenditure ELSE 0 END) AS oncology_expenditure, SUM(CASE WHEN division = 'Cardiology' THEN expenditure ELSE 0 END) AS cardiology_expenditure FROM r_d_expenditure WHERE date BETWEEN '2023-01-01' AND '2023-03-31' GROUP BY drug; |
How many employees have undergone diversity training in the Sales department? | CREATE TABLE TrainingData (EmployeeID INT,Department TEXT,Training TEXT); INSERT INTO TrainingData (EmployeeID,Department,Training) VALUES (1,'Sales','Diversity'); | SELECT COUNT(*) FROM TrainingData WHERE Department = 'Sales' AND Training = 'Diversity'; |
Update the name of food product with id 1 to 'Organic Quinoa Puffs' | CREATE TABLE food_products (id INT PRIMARY KEY,name TEXT,safety_recall BOOLEAN); | UPDATE food_products SET name = 'Organic Quinoa Puffs' WHERE id = 1; |
What is the average rating for 'boutique' hotels in 'Sydney' on 'Agoda'? | CREATE TABLE Ratings (hotel_id INT,ota TEXT,city TEXT,hotel_class TEXT,rating FLOAT); INSERT INTO Ratings (hotel_id,ota,city,hotel_class,rating) VALUES (1,'Agoda','Sydney','boutique',4.7),(2,'Agoda','Sydney','boutique',4.6),(3,'Agoda','Sydney','non-boutique',4.3); | SELECT AVG(rating) FROM Ratings WHERE ota = 'Agoda' AND city = 'Sydney' AND hotel_class = 'boutique'; |
How many cases were handled by each caseworker in the justice department, with the total number of cases and cases per caseworker? | CREATE TABLE cases (id INT,caseworker_id INT,date DATE); INSERT INTO cases (id,caseworker_id,date) VALUES (1,101,'2020-01-01'),(2,101,'2020-01-10'),(3,102,'2020-02-01'); | SELECT COUNT(*) OVER (PARTITION BY caseworker_id) AS cases_per_caseworker, COUNT(*) AS total_cases FROM cases; |
Add a new language preservation project in 'Mexico' | CREATE TABLE language_preservation (id INT PRIMARY KEY,name TEXT,location TEXT); | INSERT INTO language_preservation (id, name, location) VALUES (1, 'Mixtec Language', 'Mexico'); |
Find brands that use ingredients from 'India' and have no safety records after 2022-01-01 | CREATE TABLE ingredient (product_id INT,ingredient TEXT,origin TEXT); | SELECT brand FROM ingredient INNER JOIN (SELECT product_id FROM safety_record WHERE report_date > '2022-01-01' EXCEPT SELECT product_id FROM safety_record) ON ingredient.product_id = product_id WHERE origin = 'India'; |
What is the total square footage of sustainable building projects? | CREATE TABLE sustainable_projects (project_id SERIAL PRIMARY KEY,square_footage INTEGER,is_sustainable BOOLEAN); INSERT INTO sustainable_projects (project_id,square_footage,is_sustainable) VALUES (1,15000,true),(2,20000,false),(3,25000,true); | SELECT SUM(square_footage) FROM sustainable_projects WHERE is_sustainable = true; |
What is the average duration of space missions per agency? | CREATE TABLE SpaceAgency (ID INT,Name VARCHAR(50),Country VARCHAR(50)); CREATE TABLE SpaceMission (AgencyID INT,Name VARCHAR(50),LaunchDate DATE,Duration INT); | SELECT sa.Name, AVG(sm.Duration) AS AvgDuration FROM SpaceAgency sa JOIN SpaceMission sm ON sa.ID = sm.AgencyID GROUP BY sa.Name; |
Which countries have had the most security incidents in the last 6 months? | CREATE TABLE security_incidents (id INT,country VARCHAR(255),timestamp TIMESTAMP); | SELECT country, COUNT(*) FROM security_incidents WHERE timestamp >= NOW() - INTERVAL 6 MONTH GROUP BY country ORDER BY COUNT(*) DESC LIMIT 10; |
What is the average budget for assistive technology programs in the Midwest region? | CREATE TABLE midwest_region (region VARCHAR(20),budget INT); INSERT INTO midwest_region (region,budget) VALUES ('Midwest',50000); INSERT INTO midwest_region (region,budget) VALUES ('Midwest',75000); | SELECT AVG(budget) FROM midwest_region WHERE region = 'Midwest'; |
List the number of satellites deployed per year by each organization. | CREATE TABLE SatelliteDeployments (id INT,organization VARCHAR(50),launch_year INT,launch_success BOOLEAN); INSERT INTO SatelliteDeployments (id,organization,launch_year,launch_success) VALUES (1,'NASA',2010,true),(2,'NASA',2015,true),(3,'SpaceX',2017,true),(4,'SpaceX',2018,false),(5,'ISRO',2020,true); | SELECT organization, launch_year, COUNT(*) as total_satellites FROM SatelliteDeployments GROUP BY organization, launch_year ORDER BY organization, launch_year; |
Update the name of the project to 'Soil Conservation' in the 'agricultural_practices' table | CREATE TABLE agricultural_practices (id INT,project_name VARCHAR(255),country VARCHAR(255)); | UPDATE agricultural_practices SET project_name = 'Soil Conservation' WHERE id = 1; |
What is the average severity of vulnerabilities in the healthcare sector in the last quarter? | CREATE TABLE vulnerabilities (id INT,sector VARCHAR(255),severity FLOAT,discovered_at TIMESTAMP); INSERT INTO vulnerabilities (id,sector,severity,discovered_at) VALUES (1,'healthcare',7.0,'2021-04-01 12:00:00'),(2,'finance',5.5,'2021-05-05 14:30:00'); | SELECT AVG(severity) FROM vulnerabilities WHERE discovered_at >= DATE_SUB(NOW(), INTERVAL 3 MONTH) AND sector = 'healthcare'; |
What is the prevalence of diabetes in rural areas of India, Pakistan, and Bangladesh? | CREATE TABLE diabetes_patients_asia (name TEXT,location TEXT,country TEXT); INSERT INTO diabetes_patients_asia (name,location,country) VALUES ('Patient 1','Rural India','India'),('Patient 2','Rural Pakistan','Pakistan'),('Patient 3','Urban Pakistan','Pakistan'),('Patient 4','Rural Bangladesh','Bangladesh'); | SELECT country, ROUND(COUNT(*)*100.0/((SELECT COUNT(*) FROM diabetes_patients_asia WHERE country = t.country)::FLOAT), 2) AS prevalence FROM diabetes_patients_asia t WHERE location LIKE 'Rural%' GROUP BY country |
Find the total number of vehicle recalls for each make in the 'recalls_data' table. | CREATE TABLE recalls_data (id INT,recall_date DATE,make VARCHAR(50),model VARCHAR(50),num_recalled INT); | SELECT make, SUM(num_recalled) FROM recalls_data GROUP BY make; |
List the names of community health workers who serve the most mental health providers. | CREATE TABLE MentalHealthProvider (ProviderID INT,WorkerID INT,WorkerName VARCHAR(50)); INSERT INTO MentalHealthProvider (ProviderID,WorkerID,WorkerName) VALUES (1,1,'John'),(2,2,'Jane'),(3,3,'Jim'),(4,4,'Joan'),(5,5,'Jake'),(6,1,'Jill'),(7,2,'Jeff'),(8,3,'Jessica'),(9,4,'Jeremy'),(10,5,'Jamie'); | SELECT WorkerName, COUNT(*) as NumProviders FROM MentalHealthProvider GROUP BY WorkerName ORDER BY NumProviders DESC LIMIT 1; |
Display the hourly breakdown of tram delays for the second half of 2021 | CREATE TABLE trams (id INT PRIMARY KEY,delay INT,delay_time TIMESTAMP); | SELECT HOUR(delay_time) AS delay_hour, AVG(delay) AS avg_delay FROM trams WHERE delay_time >= '2021-07-01 00:00:00' AND delay_time < '2022-01-01 00:00:00' GROUP BY delay_hour; |
What's the total number of shelters and their capacities in urban areas of Colombia and Peru? | CREATE TABLE shelters (id INT,name TEXT,capacity INT,area TEXT); INSERT INTO shelters (id,name,capacity,area) VALUES (1,'ShelterA',200,'urban'),(2,'ShelterB',150,'urban'),(3,'ShelterC',300,'rural'); | SELECT capacity FROM shelters WHERE area = 'urban' AND (area = 'colombia' OR area = 'peru') |
What is the average price of neodymium produced in Australia? | CREATE TABLE neodymium_prices (country VARCHAR(20),price DECIMAL(5,2),year INT); INSERT INTO neodymium_prices (country,price,year) VALUES ('Australia',85.00,2020),('Australia',88.50,2021); | SELECT AVG(price) FROM neodymium_prices WHERE country = 'Australia'; |
What are the names and protection levels of heritage sites in East Asia? | CREATE TABLE heritage_sites (id INT,site_name TEXT,location TEXT,protection_level TEXT); INSERT INTO heritage_sites (id,site_name,location,protection_level) VALUES (1,'Great Wall of China','China','UNESCO World Heritage Site'),(2,'Temple of Heaven','China','National Heritage Site'); | SELECT site_name, protection_level FROM heritage_sites WHERE location LIKE '%%East Asia%%'; |
What is the total value of loans issued to customers in each state? | CREATE TABLE loans (id INT,customer_id INT,state VARCHAR(50),value DECIMAL(10,2)); INSERT INTO loans (id,customer_id,state,value) VALUES (1,1,'California',10000.00),(2,2,'New York',20000.00),(3,3,'Texas',15000.00); | SELECT state, SUM(value) FROM loans GROUP BY state; |
On which dates did California have a drought impact greater than 0.8? | CREATE TABLE DroughtImpact (Id INT,Location VARCHAR(50),Impact DECIMAL(5,2),Date DATE); INSERT INTO DroughtImpact (Id,Location,Impact,Date) VALUES (1,'California',0.9,'2021-06-15'); INSERT INTO DroughtImpact (Id,Location,Impact,Date) VALUES (2,'California',0.7,'2021-07-01'); | SELECT Date, AVG(Impact) FROM DroughtImpact WHERE Location = 'California' GROUP BY Date HAVING AVG(Impact) > 0.8; |
What is the total number of international tourists visiting Brazil, grouped by their countries of origin? | CREATE TABLE international_visitors (visitor_country VARCHAR(50),total_visits INT); INSERT INTO international_visitors (visitor_country,total_visits) VALUES ('Brazil',30000); | SELECT visitor_country, SUM(total_visits) FROM international_visitors WHERE visitor_country = 'Brazil' GROUP BY visitor_country; |
What is the total number of co-owned properties in the city of Portland? | CREATE TABLE properties (property_id INT,city VARCHAR(50),co_owned BOOLEAN,price INT); INSERT INTO properties (property_id,city,co_owned,price) VALUES (1,'Portland',TRUE,400000); INSERT INTO properties (property_id,city,co_owned,price) VALUES (2,'Portland',TRUE,450000); INSERT INTO properties (property_id,city,co_owned... | SELECT COUNT(*) AS total_co_owned FROM properties WHERE city = 'Portland' AND co_owned = TRUE; |
What is the average horsepower of electric vehicles in the 'green_cars' table? | CREATE TABLE green_cars (id INT PRIMARY KEY,make VARCHAR(50),model VARCHAR(50),year INT,horsepower INT,is_electric BOOLEAN); | SELECT AVG(horsepower) FROM green_cars WHERE is_electric = TRUE; |
List all smart city projects in the 'infrastructure' table for the 'Asia' region. | CREATE TABLE infrastructure (id INT,project_name TEXT,location TEXT,project_type TEXT); INSERT INTO infrastructure (id,project_name,location,project_type) VALUES (1,'Smart City 1','Singapore','smart_city'),(2,'Green Building 1','Japan','green_building'); | SELECT project_name FROM infrastructure WHERE location LIKE '%Asia%' AND project_type = 'smart_city'; |
What is the total installed renewable energy capacity for the top 5 countries in 2020? | CREATE TABLE RenewableCapacity (Country TEXT,Year INT,Capacity NUMBER); INSERT INTO RenewableCapacity (Country,Year,Capacity) VALUES ('China',2020,750000),('United States',2020,500000),('Germany',2020,300000),('India',2020,250000),('Brazil',2020,200000),('Australia',2020,150000); | SELECT Country, SUM(Capacity) AS Total_Capacity FROM RenewableCapacity WHERE Year = 2020 GROUP BY Country ORDER BY Total_Capacity DESC LIMIT 5; |
Display the policy numbers and claim dates for claims that were processed between '2021-01-01' and '2021-12-31' | CREATE TABLE claims (claim_id INT,policy_number INT,claim_amount DECIMAL(10,2),claim_date DATE); | SELECT policy_number, claim_date FROM claims WHERE claim_date BETWEEN '2021-01-01' AND '2021-12-31'; |
What is the distribution of ratings for movies produced in the USA? | CREATE TABLE movies (id INT,title VARCHAR(255),rating FLOAT,production_country VARCHAR(50)); INSERT INTO movies (id,title,rating,production_country) VALUES (1,'MovieA',7.5,'USA'),(2,'MovieB',8.2,'Spain'),(3,'MovieC',6.8,'USA'),(4,'MovieD',9.0,'USA'); | SELECT rating, COUNT(*) FROM movies WHERE production_country = 'USA' GROUP BY rating; |
What is the total climate finance committed by development banks in the Middle East and North Africa? | CREATE TABLE climate_finance_commitments (commitment_id INT,commitment_amount DECIMAL(10,2),funder VARCHAR(50),region VARCHAR(50)); INSERT INTO climate_finance_commitments (commitment_id,commitment_amount,funder,region) VALUES (1,1500000.00,'European Investment Bank','Middle East and North Africa'),(2,2000000.00,'World... | SELECT SUM(commitment_amount) FROM climate_finance_commitments WHERE region = 'Middle East and North Africa'; |
Calculate the total amount of oil and gas resources in each Arctic country. | CREATE TABLE Resources (id INT PRIMARY KEY,resource VARCHAR(255),location VARCHAR(255),quantity INT); INSERT INTO Resources (id,resource,location,quantity) VALUES (1,'oil','Russia',10000000); INSERT INTO Resources (id,resource,location,quantity) VALUES (2,'gas','Norway',8000000); | SELECT location, SUM(CASE WHEN resource IN ('oil', 'gas') THEN quantity ELSE 0 END) as total_quantity FROM Resources GROUP BY location; |
Which public works projects were completed in the last 5 years, and what was their budget? | CREATE TABLE Projects (id INT,name TEXT,completion_date DATE,budget INT); INSERT INTO Projects (id,name,completion_date,budget) VALUES (1,'I-405 Widening','2022-01-01',2000000),(2,'LA River Revitalization','2020-12-31',15000000); | SELECT name, budget FROM Projects WHERE completion_date > (CURRENT_DATE - INTERVAL '5 years') |
What is the average age of rural healthcare workers by position? | CREATE TABLE healthcare_workers (id INT,name TEXT,age INT,position TEXT,hospital_id INT); INSERT INTO healthcare_workers (id,name,age,position,hospital_id) VALUES (1,'John Doe',45,'Doctor',2),(2,'Jane Smith',30,'Nurse',2); CREATE TABLE rural_hospitals (id INT,name TEXT,location TEXT,state TEXT); INSERT INTO rural_hospi... | SELECT position, AVG(age) FROM healthcare_workers WHERE hospital_id IN (SELECT id FROM rural_hospitals) GROUP BY position; |
How many healthcare providers in each state have completed cultural competency training? | CREATE TABLE healthcare_providers_training (id INT,provider_id INT,state VARCHAR(20),completed_training BOOLEAN); INSERT INTO healthcare_providers_training (id,provider_id,state,completed_training) VALUES (1,1,'California',TRUE),(2,2,'New York',FALSE),(3,3,'Texas',TRUE); | SELECT state, SUM(completed_training) as providers_trained FROM healthcare_providers_training GROUP BY state; |
Determine the difference in average transaction amounts between customers from 'North America' and 'Asia'. | CREATE TABLE transaction_amounts (customer_id INT,region VARCHAR(20),transaction_amount NUMERIC(12,2)); INSERT INTO transaction_amounts (customer_id,region,transaction_amount) VALUES (1,'Asia',1000),(2,'Europe',1500),(3,'Africa',750),(4,'North America',2000),(5,'South America',1200),(6,'Australia',1750),(7,'Asia',1500)... | SELECT AVG(transaction_amount) as avg_asia FROM transaction_amounts WHERE region = 'Asia' INTERSECT SELECT AVG(transaction_amount) as avg_north_america FROM transaction_amounts WHERE region = 'North America'; |
What is the total number of defense contracts awarded to companies in Europe in 2021? | CREATE TABLE defense_contract_companies (id INT,company VARCHAR(50),country VARCHAR(50),year INT,contract_value FLOAT); INSERT INTO defense_contract_companies (id,company,country,year,contract_value) VALUES (1,'BAE Systems','UK',2021,5000000); INSERT INTO defense_contract_companies (id,company,country,year,contract_val... | SELECT SUM(contract_value) FROM defense_contract_companies WHERE country IN ('UK', 'France', 'Germany', 'Italy', 'Spain') AND year = 2021; |
What are the top 5 most common vulnerabilities in the 'web application' asset type in the last quarter? | CREATE TABLE webapp_vulnerabilities (id INT,asset_type VARCHAR(50),vulnerability_count INT,vulnerability_date DATE); | SELECT asset_type, vulnerability_count, vulnerability_date, RANK() OVER (PARTITION BY asset_type ORDER BY vulnerability_count DESC) as rank FROM webapp_vulnerabilities WHERE asset_type = 'web application' AND vulnerability_date >= DATEADD(quarter, -1, GETDATE()) AND rank <= 5; |
Calculate the percentage of reported thefts in the 'downtown' and 'westside' precincts in the month of August 2021. | CREATE TABLE crimes (id INT,type VARCHAR(20),location VARCHAR(20),report_date DATE); INSERT INTO crimes (id,type,location,report_date) VALUES (1,'theft','downtown','2021-08-01'); | SELECT (COUNT(*) FILTER (WHERE type = 'theft')) * 100.0 / COUNT(*) FROM crimes WHERE location IN ('downtown', 'westside') AND report_date BETWEEN '2021-08-01' AND '2021-08-31'; |
Identify the defense projects that have experienced delays of over 6 months? | CREATE TABLE defense_projects(id INT,project_name VARCHAR(50),start_date DATE,end_date DATE); | SELECT project_name FROM defense_projects WHERE DATEDIFF(end_date, start_date) > 180; |
List all fabrics and their certifications that are expiring in the next 3 months. | CREATE TABLE Textile_Certifications (id INT,fabric VARCHAR(20),certification VARCHAR(50),expiration_date DATE); INSERT INTO Textile_Certifications (id,fabric,certification,expiration_date) VALUES (1,'Cotton','GOTS','2023-06-01'),(2,'Polyester','OEKO-TEX','2023-07-15'),(3,'Wool','RWS','2023-08-30'),(4,'Silk','Organic Co... | SELECT fabric, certification FROM Textile_Certifications WHERE expiration_date BETWEEN CURDATE() AND DATE_ADD(CURDATE(), INTERVAL 3 MONTH); |
Which team received the most penalties in the FIFA World Cup? | CREATE TABLE fifa_world_cup (team VARCHAR(50),penalties INT); INSERT INTO fifa_world_cup (team,penalties) VALUES ('Germany',12),('Brazil',10),('France',11),('Croatia',10); | SELECT team, SUM(penalties) AS total_penalties FROM fifa_world_cup GROUP BY team ORDER BY total_penalties DESC LIMIT 1; |
Which organizations have received donations from donors aged 25-34 in the past year? | CREATE TABLE donors (id INT,age INT,name VARCHAR(255)); INSERT INTO donors (id,age,name) VALUES (1,27,'Effective Altruism Funds'); CREATE TABLE donations (id INT,donor_id INT,organization_id INT,amount DECIMAL(10,2),donation_date DATE); INSERT INTO donations (id,donor_id,organization_id,amount,donation_date) VALUES (1,... | SELECT organizations.name FROM donations JOIN donors ON donations.donor_id = donors.id JOIN organizations ON donations.organization_id = organizations.id WHERE donors.age BETWEEN 25 AND 34 AND donation_date BETWEEN DATE_SUB(CURRENT_DATE, INTERVAL 1 YEAR) AND CURRENT_DATE; |
List all farmers who cultivate 'Rice' and their corresponding regions. | CREATE TABLE farmer (id INT PRIMARY KEY,name VARCHAR(50),crop_id INT,region_id INT); CREATE TABLE crop (id INT PRIMARY KEY,name VARCHAR(50)); CREATE TABLE region (id INT PRIMARY KEY,name VARCHAR(50)); INSERT INTO crop (id,name) VALUES (1,'Rice'); INSERT INTO region (id,name) VALUES (1,'Delta Region'); INSERT INTO farme... | SELECT f.name, r.name AS region_name FROM farmer f INNER JOIN crop c ON f.crop_id = c.id INNER JOIN region r ON f.region_id = r.id WHERE c.name = 'Rice'; |
List faculty diversity metrics including the number of female, male, and non-binary faculty members | CREATE TABLE Faculty (id INT,name VARCHAR(255),gender VARCHAR(10),department_id INT); INSERT INTO Faculty (id,name,gender,department_id) VALUES (1,'John Doe','Male',1),(2,'Jane Smith','Female',1),(3,'Jamie Johnson','Non-binary',2),(4,'Alice Davis','Female',3),(5,'Bob Brown','Male',3); | SELECT f.department_id, f.gender, COUNT(*) as num_faculty FROM Faculty f GROUP BY f.department_id, f.gender; |
What is the total number of AI safety incidents, grouped by the type of AI system involved? | CREATE TABLE ai_safety_incidents_type (id INT,incident_name VARCHAR(50),date_reported DATE,ai_system_type VARCHAR(50)); INSERT INTO ai_safety_incidents_type (id,incident_name,date_reported,ai_system_type) VALUES (1,'Self-driving car crash','2022-03-15','Autonomous Vehicles'),(2,'Medical diagnosis error','2021-11-27','H... | SELECT ai_system_type, COUNT(*) FROM ai_safety_incidents_type GROUP BY ai_system_type; |
Find total number of articles by each author, published in 2020 | CREATE TABLE authors (id INT PRIMARY KEY,name TEXT NOT NULL); CREATE TABLE articles (id INT PRIMARY KEY,title TEXT NOT NULL,author_id INT,published_at DATE); | SELECT authors.name, COUNT(articles.id) as total_articles FROM authors INNER JOIN articles ON authors.id = articles.author_id WHERE YEAR(published_at) = 2020 GROUP BY authors.name; |
What is the maximum ESG score for companies in the financial sector? | CREATE TABLE companies (id INT,name VARCHAR(255),sector VARCHAR(255),ESG_score FLOAT); INSERT INTO companies (id,name,sector,ESG_score) VALUES (1,'JPMorgan Chase','Financial',80.1); INSERT INTO companies (id,name,sector,ESG_score) VALUES (2,'Visa','Financial',85.6); INSERT INTO companies (id,name,sector,ESG_score) VALU... | SELECT MAX(ESG_score) AS max_ESG_score FROM companies c JOIN sectors s ON c.sector = s.sector WHERE s.sector = 'Financial'; |
Calculate the total workout duration in minutes for each country, in the last month. | CREATE TABLE membership (member_id INT,membership_type VARCHAR(20),country VARCHAR(30)); INSERT INTO membership (member_id,membership_type,country) VALUES (1,'Platinum','USA'),(2,'Gold','Canada'),(3,'Platinum','Mexico'); CREATE TABLE workout_data (member_id INT,duration INT,timestamp TIMESTAMP); INSERT INTO workout_dat... | SELECT country, SUM(duration)/60 as total_minutes FROM workout_data w JOIN membership m ON w.member_id = m.member_id WHERE timestamp BETWEEN '2022-02-01 00:00:00' AND '2022-02-28 23:59:59' GROUP BY country; |
Update the budget of a specific military innovation project. | CREATE TABLE military_innovation (id INT,project VARCHAR(255),budget INT); | UPDATE military_innovation SET budget = 5000000 WHERE project = 'Stealth Drone'; |
What is the maximum daily revenue recorded in the database? | CREATE TABLE daily_revenue (sale_date DATE,revenue DECIMAL(10,2)); INSERT INTO daily_revenue (sale_date,revenue) VALUES ('2022-01-01',5000.00),('2022-01-02',6000.00),('2022-01-03',4000.00),('2022-01-04',7000.00),('2022-01-05',8000.00),('2022-01-06',3000.00),('2022-01-07',9000.00); | SELECT MAX(revenue) FROM daily_revenue; |
Find the top 10 product categories with the highest sales in the last quarter | CREATE TABLE sales (sale_id INT,product_id INT,product_category VARCHAR(255),sales FLOAT,sale_date DATE); INSERT INTO sales (sale_id,product_id,product_category,sales,sale_date) VALUES (1,1,'Electronics',100,'2022-01-01'),(2,2,'Clothing',200,'2022-01-02'),(3,3,'Electronics',150,'2022-01-03'); | SELECT product_category, SUM(sales) FROM sales WHERE sale_date >= DATE_SUB(CURRENT_DATE, INTERVAL 3 MONTH) GROUP BY product_category ORDER BY SUM(sales) DESC LIMIT 10; |
Find the total number of smart contracts associated with digital assets having a value greater than 80? | CREATE TABLE digital_assets (asset_id INT,asset_name VARCHAR(50),value DECIMAL(10,2)); INSERT INTO digital_assets (asset_id,asset_name,value) VALUES (1,'Asset1',50.5),(2,'Asset2',100.2),(3,'Asset3',75.0); CREATE TABLE smart_contracts (contract_id INT,asset_id INT,contract_name VARCHAR(50)); INSERT INTO smart_contracts ... | SELECT COUNT(*) FROM smart_contracts INNER JOIN digital_assets ON smart_contracts.asset_id = digital_assets.asset_id WHERE digital_assets.value > 80; |
What is the total number of climate adaptation projects in Asia with a budget less than $30,000? | CREATE TABLE climate_adaptation (id INT,project_name TEXT,budget INT,location TEXT); INSERT INTO climate_adaptation (id,project_name,budget,location) VALUES (1,'Flood Prevention',75000,'Asia'); INSERT INTO climate_adaptation (id,project_name,budget,location) VALUES (2,'Drought Resistance',40000,'Africa'); | SELECT COUNT(*) FROM climate_adaptation WHERE location = 'Asia' AND budget < 30000; |
Find all meals containing genetically modified ingredients served in our California restaurants. | CREATE TABLE Meals (MealID INT,MealName VARCHAR(50),ContainsGMO BOOLEAN); INSERT INTO Meals VALUES (1,'Meal1',true); INSERT INTO Meals VALUES (2,'Meal2',false); CREATE TABLE Restaurants (RestaurantID INT,MealID INT,City VARCHAR(20)); INSERT INTO Restaurants VALUES (1,1); INSERT INTO Restaurants VALUES (2,2); | SELECT Meals.MealName FROM Meals INNER JOIN Restaurants ON Meals.MealID = Restaurants.MealID WHERE Restaurants.City = 'California' AND Meals.ContainsGMO = true; |
How many green building projects have been implemented in each country? | CREATE TABLE green_buildings (id INT,name VARCHAR(50),country VARCHAR(50),energy_consumption INT); INSERT INTO green_buildings (id,name,country,energy_consumption) VALUES (1,'GreenHub','USA',1200),(2,'EcoTower','Canada',1500),(3,'SolarVista','Mexico',1800),(4,'WindHaven','USA',1000),(5,'SolarCity','China',1600),(6,'Eco... | SELECT country, COUNT(*) FROM green_buildings GROUP BY country; |
What is the rank of each union by total safety score, partitioned by region? | CREATE TABLE unions (id INT,name TEXT,location TEXT); INSERT INTO unions (id,name,location) VALUES (1,'Union X','USA'),(2,'Union Y','Canada'),(3,'Union Z','Mexico'); CREATE TABLE regions (id INT,region TEXT); INSERT INTO regions (id,region) VALUES (1,'North'),(2,'South'),(3,'Central'); CREATE TABLE safety_scores (id IN... | SELECT u.name, RANK() OVER (PARTITION BY r.region ORDER BY SUM(s.score) DESC) as rank FROM safety_scores s JOIN unions u ON s.union_id = u.id JOIN regions r ON s.region_id = r.id GROUP BY u.name, r.region; |
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